diff --git a/electrum/daemon.py b/electrum/daemon.py
index b0d04f40c..ccedd9248 100644
--- a/electrum/daemon.py
+++ b/electrum/daemon.py
@@ -463,6 +463,7 @@ class Daemon(Logger):
         return wallet
 
     @staticmethod
+    @profiler
     def _load_wallet(
             path,
             password,
diff --git a/electrum/invoices.py b/electrum/invoices.py
index 52fbeb68f..0933cba6c 100644
--- a/electrum/invoices.py
+++ b/electrum/invoices.py
@@ -196,7 +196,8 @@ class Invoice(StoredObject):
     @lightning_invoice.validator
     def _validate_invoice_str(self, attribute, value):
         if value is not None:
-            lndecode(value)  # this checks the str can be decoded
+            lnaddr = lndecode(value)  # this checks the str can be decoded
+            self.__lnaddr = lnaddr    # save it, just to avoid having to recompute later
 
     @amount_msat.validator
     def _validate_amount(self, attribute, value):